stock_release_channel: assign channel

When the move is not generated by a SO, also assign the release channel

stock_release_channel/models/__init__.py

@@ -1,4 +1,3 @@
-from . import sale_order_line
 from . import stock_move
 from . import stock_picking
 from . import stock_release_channel

stock_release_channel/models/stock_move.py

@@ -15,3 +15,10 @@ def release_available_to_promise(self):
         res = super().release_available_to_promise()
         self.picking_id.assign_release_channel()
         return res
+
+    def _action_confirm(self, merge=True, merge_into=False):
+        moves = super()._action_confirm(merge=merge, merge_into=merge_into)
+        pickings = moves.filtered("need_release").picking_id
+        if pickings:
+            pickings._delay_assign_release_channel()
+        return moves